We are using docker-compose in our app and am not familiar with this part of the application we are getting this error after runnning docker-compose up --build:
Mysql: forward host lookup failed: Unknown host
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3post your .yml file and all useful info – user2915097 May 23 '17 at 08:04
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After an inspection to hosts list created by docker-compose:
$ docker network prune
$ docker network ls
$ docker network inspect <desired_network>
I noticed db was not there, so I tried to build it up and see what happens:
$ docker-compose run <desired_db_image>
Getting the correct output:
Initializing database
mkdir: cannot create directory '/var/lib/mysql//mysql': No space left on device
Fatal error Can't create database directory '/var/lib/mysql//mysql'
So you need to free some space:
$ docker system prune
Select: y
